ENTRE 10 & 19 POINTS -->  TOUS LES "x" ne sont pas des multiplications mais tout simplement des x .


Développer: G= (-6x-3)(4x-4)-(5-10x)(4x-4)

Factoriser: K= (6-x) ² + (-2x-1)(6-x)


Factoriser: P= (6x+3) ² -(4x-4)(6x+3)




Merci pour votre aide ◊ :)
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